# SDR CALA2025061805673

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 15, 2025
- Submitted: June 18, 2025
- Operation: Air carrier
- Aircraft: [N37556](https://openairdocs.org/aircraft/N37556), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 67579
- Aircraft time: 8,025 hours, 2,648 cycles
- System (JASC): [3340 · Exterior Lighting](https://openairdocs.org/jasc/3340)
- Part: Landing Light
- Condition: Malfunctioned
- Location: Zone 100
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2025061805673

## Discrepancy

RIGHT LANDING LIGHT FLASHED ON/OFF UNCOMMANDED AFTER LANDING PERFORM LTRTL MAIN ARRAY - OPERATIONAL TEST PER 33-42-21-710-801, TEST PASSED, NO FLASHING NOTED

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